最新职称英语考试理工类A级真题文档格式.docx
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最新职称英语考试理工类A级真题文档格式.docx
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tseethem,andneitherdotheeyesofhumanbeings.Althoughinvisibletotheeye,longerinfraredradiationcanbedetectedaswarmthbytheskin.
That'
sakeyideatowhyWISEwillbeabletoseethingsothertelescopescan'
t.Noteverythingintheuniverseshowsupinvisiblelight.Asteroids,forexample,aregiantrocksthatfloatthroughspace—buttheyabsorbmostofthelightthatreachesthem.Theydon'
treflectlight,sothey'
redifficulttosee.Buttheydogiveoffinfraredradiation,soaninfraredtelescopelikeWISEwillbeabletoproduceimagesofthem.DuringitsmissionWISEwilltakepicturesofhundredsofthousandsofasteroids.
Browndwarfs8areanotherkindofdeep-spaceobjectthatwillshowupinWISE'
spictures.Theseobjectsare“failed”stars—whichmeanstheyarenotmassiveenoughtojumpstart9thesamekindofreactionsthatpowerstarssuchasthesun.Instead,browndwarfssimplyshrinkandcooldown.They'
resodimthatthey'
realmostimpossibletoseewithvisiblelight,butintheinfraredspectrumtheyglow.
教材的原题:
1.WhatissospecialaboutWISE?
AItissmallinsizebutcarriesalargecamera.
BItisassmallasatrashcan.
CItsdigitalcameracanhelpastronomerstoseetheunknownspace.
DNeverbeforehasatelescopecarriedadigitalcamerainspace.
2.WhichisNOTthesynonymfortheword“snap”inthethirdparagraph?
Amake.
Bshoot.
Ctake
Dphotograph.
3.ThecameraonWISE
Aisnodifferentfromanordinarycamera.
Bdoesnotseeinfraredradiationwhiletheordinarycameradoes.
Ccatchestheinfraredradiationwhiletheordinarycameradoesnot.
Dreflectslightthathumaneyescansee.
4.WhichofthefollowingisNOTcorrectabout“asteroids”accordingtoparagraph7?
AAsteroidsfloatthroughspacegivingoffvisiblelight.
BAsteroidsdonotreflectlightthatreachesthem.
CItisdifficulttotakeasteroids'
picturesbyordinarycameras.
DTheWISEtelescopecantakepicturesofasteroids
5.Whatisimpliedinthelastparagraph?
ABrowndwarfsgiveoffvisiblelight.
BBrowndwarfsgiveoffinfraredradiation.
CBrowndwarfsarepowerstarslikethesun.
DBrowndwarfsareimpossibletoseewiththeWISEtelescope.
答案
1.C 2.A 3.C 4.A 5.B
第三篇:
Downloadknowledgedirectlytoyourbrain(正确下载知识到你的大脑)
36:
whathaveresearchersbeenabletodowiththehelpofthestudy
A:
makeapersonknowhowtodosomethingwithoutlearning
B:
setupdifferentlearningpatternsfordifferentpeople
C:
Enablepeopletolearnkungfuinstantly
D:
Discoveraperson’slearningprocessinthebrain
37:
whathelpsapersontodoaparticulartaskbetterinvisualperceptuallearning
TestingB:
EncouragementC:
RepetitionD:
self-assessment
38:
whichofthefollowingstatementsistrueoftheexperimentparticipants
theywerenottoldwhattobelearnedintheexperiment
theylearnedhowtocontrolMRLmachinesintheexperiment
theywerepaidtotakepartintheexperiment
theywerenotcooperativeintheexperiment
39:
thefindingofthestudyismostsignificantinthatlearning
isfulloffunB:
isvisualized
becomesunnecessaryD:
happensunconsciously
40:
whoaremostlikelytobenefitfromthestability
seniorpeopleB:
teenagers
musiciansD:
Athletes
教材原题:
SolarPowerwithoutSolarCells【没有太阳能电池的太阳能】
AdramaticandsurprisingmagneticeffectoflightdiscoveredbyUniversityof
Michigan1researcherscouldleadtosolarpowerwithouttraditionalsemiconductor-based
solarcells.
Theresearchersfoundawaytomakean“optical1,”saidStephenRand,aprofessor
inthedepartmentsofElectricalEngineeringandComputerScience,PhysicsandApplied
Physics.
Lighthaselectricandmagneticcomponents.Untilnow,scientiststhoughtthe2ofthe
magheticfieldweresoweakthattheycouldbeignored.WhatRandandhiscolleaguesfound
isthatattherightintensity,whenlightistravelingthroughamaterialthatdoesnot
conductelectricity,thelightfieldcangeneratemagneticeffectsthatare100million
timesstrongerthan
3expected.4thesecircumstances,themagneticeffectsdevelopstrengthequivalentto
astrongelectriceffect.
“Thiscouldleadtoanewkindofsolarcellwithoutsemiconductorsandwithout
absorptiontoproducechargeseparation,”Randsaid.“Insolarcells,the5goesintoa
material,getsabsorbedandcreatesheat.Here,weexpecttohaveaverylowheatload2.
Insteadofthelightbeingabsorbed,energyisstoredinthemagneticmoment3.Intense
magnetizationcanbeinducedbyintenselightandthenitisultimatelycapableof
providingacapacitivepower6”Whatmakesthispossibleisapreviouslyundetectedbrand
of“opticalrectification4,”saysWilliamFisher,adoctoralstudent5inapplied
physics.Intraditionalopticalrectification,light'
selectricfieldcausesacharge
separation,orapulling7ofthepositiveandnegativecharges6inamaterial.Thissets
upavoltage,similarto8inabattery.
RandandFisherfoundthatundertherightcircumstancesandinrighttypesof
materials,thelight'
smagneticfieldcanalsocreateopticalrectification.Thelightmust
beshonethrough7a
9thatdoesnot10electricity,suchasglass.Anditmustbefocusedtoanintensity
of10millionwattspersquarecentimeter8.Sunlightisn'
tthisintenseonitsown,butnew
materialsarebeingsoughtthatwouldworkatlowerintensities,Fishersaid.
“Inourmostrecentpaper,weshowthatincoherentlight9likesunlightis
theoreticallyalmostas11inproducingchargeseparationaslaserlightis,”Fisher
said.
Thisnew12couldmakesolarpowercheaper,theresearcherssay.Theypredictthatwith
improvedmaterialstheycouldachieve10percentefficiencyin13solarpowertouseable
energy.That'
sequivalenttotoday'
scommercial-gradesolarcells.
“Tomanufacture14solarcells,youhavetodoextensivesemiconductorprocessing,”
Fishersaid.“Allwewouldneedarelensestofocusthelightandafibertoguideit.
Glassworksfor15It'
salreadymadeinbulk10,anditdoesn'
trequireasmuchprocessing.
Transparentceramicsmightbeevenbetter.”
练习:
1.AmicroscopeBinstrumentCfiberDbattery
2.AmodificationsBeffectsCapplicationsDresults
3.AfrequentlyBprivatelyCpreviouslyDformally
4.AUnderBAtCOnDOver
5.AfightBelectricityCchemicalDmagnetism
6.AplantBequipmentCsourceDline
7.AdownBupCtogetherDapart
8.AthisBthatCthoseDit
9.AmaterialBlensCmeterDdetector
10.AproduceBconveyCuseDconduct
11.AremoteBpoorCeffectiveDrare
12.AprototypeBskillCtechniqueDmiracle
13.AconvertingBobtainingCdeliveringDtransmitting
14.AcompactBmodemCdurableDhandy
15.AothersBsomeCallDboth
1.D 2.B 3.C 4.A 5.A 6.C 7.D 8.B
9.A 10.D ll.C 12.C 13.A 14.B 15.D
考试答案SolarPowerwithoutSolarCells
原文中标注红色为今年考试的题目!
1、Abattery2、Dcomponents
3、Cignored4、Cconduct
5、Aequivalent6、Dlight
7、Dsource8、Dapar
9、Athat10、Bmaterial
11、Cintense12、Aas
13、Dtechnology14、Cextensive
15、Cboth
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